You see the ads everywhere, from Facebook to the online version of your local newspaper. They promise huge increases in testosterone by simply taking an over-the-counter supplement. But do these supplements really work, or are they all hype? Men's Health Nutrition adviser Mike Roussell, Ph.D. gives you the facts, based on his review of all the published scientific research. (Follow these easy steps to raise your T levels and lengthen your life.)

Watch the video to see what he discovered.

Build muscle, boost sexual vitality, and reclaim your mental edge!

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